<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>简单登录表单</title>
</head>
<body>
    <form action="/login" method="GET">
        <label for="username">用户名:</label>
        <input type="text" id="username" name="username" /><br/>

        <label for="password">密码:</label>
        <input type="password" id="password" name="password" /><br/>

        <input type="submit" value="登录" />
    </form>
</body>
</html>